Window display holder



FIG. 1 is an environmental, perspective view of a window display holder as it would appear mounted onto a window to support a sample window treatment. The window and sample window treatment are shown in broken lines for illustrative purposes and form no part of the claimed design.

FIG. 2 is front elevation view of the window display holder.

FIG. 3 is a rear elevation view of the window display holder.

FIG. 4 is a right side elevation view of the window display holder.

FIG. 5 is a left side elevation view of the window display holder.

FIG. 6 is a top plan view of the window display holder; and,

FIG. 7 is a bottom view of the window display holder. 

The ornamental design for a window display holder, as shown and described. 